3. The Yiddish users active in Unicode reject the way Yiddish is being used
in Israel and in other countries and has been widely used in Europe before
the war. Those users are not represented. The Israeli standards committee
has no competence on Yiddish and has no opinion on its requirements.

Yiddish papers and books printed in Israel most often do not use these
Yiddish ligatures/characters, so personally I cannot accept that they are
required in the same way Arabic ligatures are required. Even according to
YIVO, they are only ligated under some circumstances, so this is not
automatic and must be handled at a higher level that the layout engine, i.e.
the text must be marked up in some way. Either a language attribute of
Yiddish and zwnj when not ligated, or just zwj when ligated, or some other
solution. This is a matter for the Yiddish users to propose.

I accept that they are required for a certain style of Yiddish and must be
supported by any software that wishes to support this style of Yiddish.
Since some of these requirements contradict Hebrew requirements, for example
whether two consecutive Yods should be ligated or not, I must explain that
they do not apply for Hebrew.